Wheel rim



iiatented July 14, i925.

Vunirse stares JOHN A, LIPIPERT, OF CHICAGO. ILLINQIS.

y WHEEL BIM.

Application led August 23, .1924. Serial No. 733,673.

To afl/Z 'whom t may concern:

Be it known that I, JoHN A. LIPPERT, a citizen of the United States, residing at Chicago, in the county of Cook and State 5 of illinois, have invented certainnew and useful lmprovementsin Wheel Rims, of which the following is a full, clear, concise, and exact description, reference being had to the accompanying drawings, 4forming a l part of this specification.

The invention relates to improvements 1n wheel rims and particularly to rims with which a pneumatic tire composed of an outer casing andany inner tube is adapted to be l5 associated.

The invention has. as its prime object the provision of a construction which will eliminate the necessity of the use of a liner such as is now extensively employed and arranged between the tube of the tire and the rim of the wheel, this 'liner it' not properly located with' respect to the tube, casing and -rim often times pinches the tube and causes the formation of a cut or aperture in the tube. In some instances the liner is entirely omitted resulting in the adherence ot the tube to the rim with the consequent result that the tube becomes torn and rendered worthless due to sudden stopping of the vehicle and also to improper in- Hation of the tire.

lt is an object of the invention to provide a rim having a construction which will veliminate the above objections and which will in addition allow the ready association of the tube and casing with the rim.

It is a further object ot the invention to provide the rim with a groovev for the reception of a suitable material which is preferably of a noncorrosive character and to. arrange Said material so that it may engage the tube when the latter and the casing is associated with the rim.

ln addition it is an object to employ a material which is ofy a relatively soft character and to provide a covering for the material so as to protect the material and lengthen its period of use.

It is a eature of the invention to employ 5 .a band-of material such as rubber and to cover this with a strip of suitable material such as cork the latter acting as a separator to prevent the rubber -of the tube fromamalgamating with the rubber band which is secured to the rim.

lt is another feature to cover both the band and cork strip with a fabric to protect the cork and prevent its being chipped away or otherwise injured.

The invention has these and other objects all of which will be explained and .more

readily understood when read in conjunction withA the accompanying drawings which illustrate one embodiment of which the invention is susceptible it being obvious that changes and modifications may be resorted to without depart-ing from the spirit of the appended claims ,forming a part hereof. In the drawings Fig. 1 is a perspective view of a portion ci a rim, outer casing of a tire and tube, the rim being provided with a means for accomplishing the invention and v c Fig. 2 is a transverse section of a rim illustrating the construction of the rim at the stem of the tube. c

In the embodiment of the invention illustrated in the drawing the rim 10 with which the casing 11 and tube 12 are to be associated is provided with a. groove'l which is located midway between the inturned ilanges 14 and 15 of the rim l0. This groove 18 preferably extends throughout the entire circumference of the rim, and is of a depth sufficient to receive the element gcnerally designated 16 which is secured to the rim in any suitable manner as by being sq'lued or riveted thereto. The element 16 is composed of relativeiy'soft material 17 such as rubber or other composition, which will not corrode or be affected by moisture etc. A strip 'of suitable material 22 such as cork provides a separator and prevents amalgamation ofthe tube and tlie rubber 17 and the fabric covering 18 which enel-loses the cork and rubber and protects them. The cork strip preferably extends beyond the sides of the rubber portion or element 17 so as to compensate for different distances which exist between the inner edges of the casing when associated with the rim 1and insures `against contact between the tube and the rim. These edges also tend so as to permit of their being interposed between the under faces-of the casing and the rim.

The element" 16r is further provided with4 an apertureli) tor the purpose of permitting the stemQO of the tube to be passedtherethrough when it is desired to associate or remove the casing and tube from the rim. To prevent wear at this oint the aperture is provided with a metallic tubular element 21.

From the 'foregoing explanation of the structure it is manifest that a construction is produced which will at all times remain in place during the changing of the tire and which can not assume a. position which will pinch the tube and puncture it.

It is further evident that an arrangement is provided which- Wiil prevent adherence of thetube and the rim at the space pro duced between' the terminationof the sides of the casing, and which liviii also prevent adherence ot tube rim and also amalgamation of the tubel and eienient 16.

Having thus described the invention what itr claim and desire to cover byy .Letters Patent is: v

1. A wheei rim with which a tire composed of an outer casing and an inner tube is adapted to be removably associated, said rino having a band permanently secured thereto and arranged between the edges thereof with whichl the tube is permitted to engage when the tube is associated with the rim, said band being composed of material which is of a relatively different character than the material of which the rim is formed and baving a strip of heat insulating material provided along that tace thereof which engages with said tube. y

2. .A wheel rim with which a tire composed of an outer casing and inner tube is adapted to be removably associated, a

- groove provided in said rim and relatively soft material permanently arranged in the groove and having a covering of material which extends across the face thereof, said last mentioned material being provided to revent contact of tbe tube and the relativey soft material when said tire is associated with the rim.

3. A Wheel rim with which a tire composed of an outer casing and an inner tube is' adapted to be removably associated, a groove provided 1n said rim and noncorrosive material arrangedl in said groove, said ma- :linearer terial being located so as to allow the-tube to engage 'therewith when said tire is assoeiated with the rim, the side edges oi said material being extended beyond the side edges of the groove and being oit a lesser thickness than that portion thereof which is arranged in said groove.

e, A Wheel rim with which a tire composed of an outer casing and an inner tube is adapted to be removably associated, a groove provided in said rim and relatively sott material arranged in said groove, a covering oit noncorrosive material for said relatively sott material with vvbicb the tube is permitted to engage when the tube is associated with the rim,

5. A. wheei rim with which a tire comy osed of an outer casing and an inner tu e is adapted to be removably associated, a groove provided between the edges ot said rim and relatively sott noncorrosive material peru manently arranged in said groove, said inaterial being located so as to prevent the ltube Atrein engaging vwith said rim when said tire is associated with the rim, and said niaterial being provided with an aperture having a metallic tubular element through which the stem of said tube is permitted to be passed.

6. A strip adapted to be arranged between the tube of a tire and a rim when the tire is associated with said rim, said strip beinel composed of rubber, a piece of superposed cork and fabric forming a cover for the cork.

'i'. A strip adapted to be arranged between the tube of a tire and a rim, said strip being composed of a band of relatively soft material, a strip of material which is impervious to moisture and providing a beat insulator material and material forming a covering` for said second mentioned material.

In Witness whereof, thereunto subscribe my name this 26th day of July A. D., 1921i.

. vJHN A. LIPPERT. 

